Viscosity the most important physical property of a lubricating oil, as determines how easily the oil circulates and its load carrying capability. Maintaining the correct balance between low viscosity ...

You could save as much as 1 percent on your fuel economy simply by switching from a 15W-40 engine oil to a 10W-30 engine oil, according to new research from Chevron Oronite.

The measurement of an oil’s resistance to flow is known as its viscosity. Usually, with a temperature increase, we can expect viscosity to diminish, and reduce with a temperature decrease. Temperature ...

Researchers at Toyohashi University of Technology in Japan, in collaboration with the Institute of Translational Medicine and Biomedical Engineering (IMTIB) in Argentina and the Indian Institute of ...

Chevron's testing features its Delo 400 LE SAE 10W-30 engine oil. In addition to the 1 percent fuel economy improvement over 15W-40 oils, testing found it offered a 0.5 percent savings over 5W-40 ...

Every fleet owner should know the basics about the viscosity of the lubricants they are using and why the viscosity matters. Fleets—especially mixed ones—require a variety of lubricants. This ranges ...

A recent study used various gas oils and blends with residual heavy oils in order to evaluate the predictability of four different correlations. The gas oils differed substantially in their ...

When it comes to determining and choosing an oil weight, none of it involves weight as we commonly think of it—there are no weight scales involved in weighing oil. Instead, in this circumstance, ...

The downsides of using thicker oil are inversely related to the effects of using thinner oil. One of the most notorious motor oil myths is that thicker oil offers better protection than lower ...

You've always been good, we hope, about making sure the right grade of oil is put in your car, whether you do it yourself, or you have it changed by professionals. So, if your car requires 5W-30 oil, ...